Why is the answer i really need to know.

Draw conclusions  why might a cause like italian unification successfully draw people of very different backgrounds together?  

If you discover that an aggressive driver is following you,you should not? a.drive home or to work b.drive to a crowded location c.flash your lights and honk your horn

From the soviet point of view, which reagan policy most threatened to create a new arms race? a. strategic defense initiative b. u.s. support for israel c. aid to the anti-soviet rebels in afghanistan d. iran-contra scandal